UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 16 APR 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 90 SFC 957 472 20.6 20.3 98 0.3 20.4 135 1 297.5 300.3 295.1 343.4 15.86 2 941 618 19.6 19.4 99 0.2 19.5 150 1 297.9 300.7 294.8 342.1 15.24 3 925 767 20.4 17.7 84 2.7 18.5 165 1 300.2 302.7 294.6 340.9 13.91 4 892 1082 21.8 16.8 73 5.0 18.4 193 7 304.8 307.3 295.6 345.4 13.62 5 850 1500 19.6 16.6 83 3.0 17.5 230 15 306.7 309.3 296.4 349.1 14.12 6 804 1978 16.2 15.9 98 0.3 16.0 246 17 308.0 310.7 296.9 351.1 14.28 7 740 2682 12.2 9.7 85 2.5 10.6 269 21 311.0 313.0 294.9 342.5 10.27 8 735 2739 12.4 6.4 67 6.0 8.8 271 21 311.8 313.4 293.6 337.3 8.23 9 700 3148 10.2 5.2 71 5.0 7.2 285 23 313.8 315.3 294.0 338.6 7.95 10 661 3623 7.4 3.5 76 3.9 5.1 281 24 315.8 317.3 294.1 339.3 7.47 11 607 4319 1.8 1.4 97 0.4 1.6 274 26 317.1 318.5 294.1 339.3 7.00 12 569 4840 0.2 -2.3 83 2.5 -1.1 270 28 321.2 322.3 294.2 339.6 5.69 13 500 5870 -4.5 -12.5 54 8.0 -7.8 260 31 327.6 328.1 293.7 337.5 2.93 14 467 6407 -6.1 -21.1 29 15.0 -11.2 258 30 332.0 332.3 293.7 337.4 1.52 15 444 6801 -8.7 -27.7 20 19.0 -14.0 257 29 333.6 333.8 293.5 336.8 0.88 16 427 7102 -11.5 -19.5 52 8.0 -14.2 256 28 333.7 334.1 294.4 340.5 1.91 17 416 7302 -12.9 -29.9 23 17.0 -17.1 256 28 334.4 334.6 293.6 337.3 0.77 18 400 7600 -15.7 -30.7 26 15.0 -19.2 255 27 334.6 334.7 293.7 337.3 0.74 19 398 7638 -16.1 -31.1 26 15.0 -19.6 255 27 334.5 334.7 293.6 337.2 0.72 20 390 7790 -17.5 -20.9 75 3.4 -18.6 256 28 334.7 335.0 294.6 341.3 1.85 21 373 8122 -20.3 -22.3 84 2.0 -20.9 259 29 335.2 335.6 294.7 341.4 1.71 22 340 8802 -25.3 -28.8 73 3.5 -26.1 263 32 337.4 337.6 294.6 341.3 1.04 23 336 8887 -25.9 -25.9 100 0.0 -25.9 264 32 337.8 338.0 295.0 342.8 1.38 24 300 9700 -30.9 -32.5 86 1.6 -31.2 270 35 341.8 342.0 295.5 345.0 0.83 25 296 9795 -31.5 -33.1 86 1.6 -31.8 269 36 342.3 342.5 295.6 345.3 0.79 26 286 10036 -33.3 -34.4 90 1.1 -33.5 267 37 343.1 343.3 295.7 345.9 0.72 27 277 10259 -35.7 -44.7 39 9.0 -36.6 266 39 342.8 342.8 295.3 343.8 0.26 28 272 10385 -36.7 -42.7 54 6.0 -37.3 265 40 343.1 343.2 295.4 344.4 0.33 29 265 10564 -38.5 -49.5 30 11.0 -39.3 263 41 343.1 343.1 295.2 343.7 0.16 30 250 10960 -41.9 -45.5 68 3.6 -42.2 260 44 343.8 343.8 295.5 344.8 0.26 31 247 11042 -42.1 -43.0 91 0.9 -42.2 260 45 344.7 344.7 295.7 346.0 0.35 32 200 12440 -52.3 -56.1 63 3.8 -52.4 255 64 349.9 350.0 296.7 350.4 0.10 33 160 13840 -64.7 -69.1 55 4.4 -64.7 259 68 352.1 352.1 297.1 352.2 0.02 34 153 14111 -67.1 -70.6 60 3.6 -67.1 260 69 352.6 352.6 297.2 352.6 0.02 35 150 14230 -68.1 -71.3 63 3.2 -68.1 260 68 352.8 352.8 297.3 352.8 0.02 36 149 14270 -68.5 -71.7 63 3.2 -68.5 260 67 352.8 352.8 297.3 352.8 0.02 37 138 14727 -71.1 -78.1 35 7.0 -71.1 262 59 356.0 356.0 297.9 356.0 0.01 38 123 15404 -74.3 -79.0 48 4.7 -74.3 265 46 362.1 362.1 299.1 362.1 0.01 39 101 16543 -77.5 -85.5 26 8.0 -77.5 270 24 376.9 376.9 301.8 376.9 0.00 40 100 16600 -77.5 -85.5 26 8.0 -77.5 270 23 378.0 378.0 301.9 378.0 0.00 TRP WND 153 14111 -67.1 -70.6 60 3.6 -67.1 260 69 352.6 352.6 297.2 352.6 0.02 Sounding variables and indices 1000-500 mb thick: 5780.00 m Freezing level: 566.06 mb = 4884.24 m = 16024.22 ft Wetbulb zero: 584.59 mb = 4622.64 m = 15165.94 ft Precipitable water: 1.91 inches Sfc-500 mean rel hum: 81.08 % Est. max temperature: 30.90 C = 87.61 F Sfc-Lift cond lev (LCL): 953.13 mb = 507.24 m = 1664.14 ft T: 20.36 C 700-500 lapse rate: 5.40 C/km ThetaE index: 13.86 C Layer 740.0- 700.0 mb Conv cond level (CCL): 794.50 mb = 2078.89 m = 6820.43 ft Mean mixing ratio: 14.18 g/kg Conv temperature: 31.41 C = 88.54 F Cap Strength: 3.46 C Lifted Index: 0.58 C Risk: Showers probable Lifted Index @300 mb: 0.66 C Lifted Index @700 mb: 1.22 C Showalter Index: -1.24 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.10 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 347.70 Risk: Showers and thunderstorms possible Energy Index: -2.30 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 114.29 J/kg Max Up Vert Vel: 15.12 m/s Conv Inhibition (B-): 163.55 J/kg Cap Strength: 3.46 C Lift Cond Lev (LCL): 866.27 mb = 1335.74 m = 4382.30 ft Lev Free Conv (LFC): 641.27 mb = 3870.84 m = 12699.46 ft Equ Level (EL): 531.27 mb = 5386.85 m = 17673.16 ft B at Equ Level: 70.46 J/kg Max Parcel Lev (MPL): 431.27 mb = 7025.35 m = 23048.77 ft Wind level data Storm motion: 296 at 16 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 957 472 135 1 -0.7 0.7 | 117 17 -15.4 7.7 1 925 767 165 1 -0.3 1.0 | 118 17 -15.0 8.0 2 850 1500 230 15 11.5 9.6 | 169 17 -3.2 16.7 3 700 3148 285 23 22.2 -6.0 | 262 8 7.5 1.1 4 500 5870 260 31 30.5 5.4 | 232 20 15.8 12.4 5 400 7600 255 27 26.1 7.0 | 219 18 11.4 14.0 6 300 9700 270 35 35.0 -0.0 | 251 21 20.3 7.0 7 250 10960 260 44 43.3 7.6 | 243 32 28.6 14.7 8 200 12440 255 64 61.8 16.6 | 243 53 47.1 23.6 9 153 14111 260 69 68.0 12.0 | 250 57 53.3 19.0 10 150 14230 260 68 67.0 11.8 | 250 56 52.3 18.8 11 100 16600 270 23 23.0 -0.0 | 230 11 8.3 7.0 Wind Parameters Mean winds (0-6000m): 265.5 at 21.7 knts Storm direction: 295.5 at 16.3 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 140.2 deg Storm rel helicity (0-3000m) pos: 133.4 neg: -1.5 tot: 131.9 m^2/s^2 ave: 44.0 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 5.7 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 1.79 Bulk Shear: 63.79 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 170 2 120 17| 4.4 0.0 4.4| 19.0 0.0 19.0 38.1 0.90| 4.6 4.2 1000 221 6 136 16| 7.5 0.0 7.5| 77.7 0.0 77.7 77.7 0.96| 8.6 8.2 1500 232 9 149 15| 6.1 0.0 6.1| 98.3 0.0 98.3 65.5 0.93| 7.7 7.2 2000 242 11 160 13| 5.2 0.0 5.2|114.2 0.0 114.2 57.1 0.90| 7.3 6.6 2500 253 13 170 11| 4.7 0.0 4.7|128.5 0.0 128.5 51.4 0.90| 7.2 6.5 3000 262 15 181 9| 4.3 0.0 4.3|133.4 -1.5 131.9 44.0 0.86| 6.7 5.7 4000 268 18 200 8| 3.2 0.6 3.8|133.4 -8.3 125.1 31.3 0.71| 5.6 4.0 5000 268 20 213 9| 2.6 1.1 3.6|133.4 -19.3 114.1 22.8 0.58| 5.1 2.9 6000 266 22 219 11| 2.1 1.1 3.2|133.4 -32.9 100.5 16.8 0.48| 4.6 2.2 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250416.00.gif